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#ifndef QxDemoItemAnimation_HPP
#define QxDemoItemAnimation_HPP

#include <QtCore>
#include <QtGui>

class QxDemoItem;

class QxDemoItemAnimation : public QGraphicsItemAnimation
{
  Q_OBJECT

public:

  enum INOROUT {
    ANIM_IN,
    ANIM_OUT,
    ANIM_UNSPECIFIED
  };

  QxDemoItemAnimation( QxDemoItem* item, INOROUT inOrOut=ANIM_UNSPECIFIED );
  virtual ~QxDemoItemAnimation();

  virtual void play( bool fromStart=true, bool force=false );
  virtual void playReverse();
  virtual void stop( bool reset=true );
  virtual void setRepeat( int nr=0 );

  void setDuration( int duration );
  void setDuration( float duration ) { setDuration( int(duration) ); }
  void setOpacityAt0( qreal opacity );
  void setOpacityAt1( qreal opacity );
  void setOpacity( qreal step );
  void setCurrentTime( int ms );
  void setStartPos( const QPointF& pos );
  bool notOwnerOfItem();

  bool running();
  bool runningOrItemLocked();
  void lockItem( bool state );
  void prepare();

  QxDemoItem* demoItem();

  virtual void afterAnimationStep( qreal step ); // overridden

  QTimeLine* timeline;
  qreal      opacityAt0;
  qreal      opacityAt1;
  int        startDelay;
  QPointF    startPos;
  bool       hideOnFinished;
  bool       moveOnPlay;
  bool       forcePlay;
  bool       fromStart;
  INOROUT    inOrOut;

private slots:

  virtual void playWithoutDelay();
};

#endif // QxDemoItemAnimation_HPP
